Imitation chalcedony: forming a hollow tubular 'sleeve'
A straw-thread sleeve of joined circles, dressed in colored rinds like a mesentery and filled with chalcedony
The page describes shaping a hollow tube, called a 'sleeve,' as part of the imitation-chalcedony work. From a sheet of the mixture one cuts many circles, slits each along its semi-diameter, joins the semi-diameters end to end and lets them dry, then moistens and stretches the piece toward the center. Dressed in rinds of various colors it comes to look like an animal's mesentery; a matching piece is fixed opposite, and the interval between is clothed with membranes like egg-skins, onion-skins, or thin animal guts, which are inflated, dressed in colored rinds, then sawn open and the guts filled with chalcedony. A small tree is sketched in the right margin.
On this page
Building a hollow 'sleeve' from joined circles
From a sheet of the mixture, many circles are cut and each is slit along its semi-diameter; the semi-diameter of one is joined to that of the next and left to dry. The piece is then moistened, stretched out toward the center, and dried again to make a hollow tube, or 'sleeve,' formed with a straw thread.
Dressing the tube like a mesentery, filled with chalcedony
Clothed in rinds of various colors the tube resembles an animal's mesentery, and a matching one is set opposite it. The interval between is dressed with membranes like egg-skins, onion-skins, or thin animal guts, which are inflated, clothed in colored rinds, then sawn open and filled with chalcedony.
